How to bring in ES modules for ol.events.condition.shiftKeyOnly in OpenLayers?

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To bring in ES modules for ol.events.condition.shiftKeyOnly in OpenLayers, you need to import the module from the ol/events/condition/ShiftKeyOnly.js file. You can do this with the following code:

import ShiftKeyOnly from 'ol/events/condition/ShiftKeyOnly';

// Use ShiftKeyOnly as a condition in your map event listener like this:
map.on('click', (evt) => {
    if (ShiftKeyOnly(evt)) {
        // Do something if the shift key was held down during the click event
    }
});

Note that you need to have installed OpenLayers as an npm package or have the source files in your project folder for this to work.